Quote Originally Posted by Tominokar
Italian:
Rome

Hellenistic:
Epirote Kingdom
Aetolian League
Achaen League
Makedonia
Ptolemaic Empire
Seleucid Kingdom
Baktria
Bosporos

African:
Carthage
Numidia
Aksumite Kingdom

Barbarian:
Celtiiberians (Spanish)
Lusitanians (Spanish)
Audui (Gallic)
Arverni (Gallic)
Sweboz (Germanic)
Chatti (Germanic)
Frissii (Holland region)
Casse (British)
Getae (Dacian)
Ardiaei (Illyrian)

Nomadic:
Sarmations
Sakae

Eastern:
Nabatea
Sabae
Pontus
Armenia
Parthia
Persian Rebels (Emerges for Seleucids or Parthians)

That list is right on IMO, except for two things.

1. Take out Persian Rebels, and add the Attalids' Pergamon.
2. Take out Nabatea, and add the Kingdom of Kyrene.

Just my two cents.